1 files changed, 48 insertions, 0 deletions
diff --git a/goDep.isPrimitive.go b/goDep.isPrimitive.go
new file mode 100644
index 0000000..a894ecd
--- /dev/null
+++ b/goDep.isPrimitive.go
@@ -0,0 +1,48 @@
+package gitpb
+
+// only reads in the go.mod file. doesn't change anything
+
+import (
+	"bufio"
+	"errors"
+	"os"
+	"path/filepath"
+	"strings"
+
+	"go.wit.com/log"
+)
+
+// Detect a 'Primative' package. Sets the isPrimative flag
+// will return true if the repo is truly not dependent on _anything_ else
+// like spew or lib/widget
+// it assumes go mod ran init and tidy ran without error
+func (repo *Repo) isPrimativeGoMod() (bool, error) {
+	// go mod init & go mod tidy ran without errors
+	log.Log(GITPB, "isPrimativeGoMod()", repo.FullPath)
+	tmp := filepath.Join(repo.FullPath, "go.mod")
+	gomod, err := os.Open(tmp)
+	if err != nil {
+		log.Log(GITPB, "missing go.mod", repo.FullPath)
+		return false, err
+	}
+	defer gomod.Close()
+
+	scanner := bufio.NewScanner(gomod)
+	for scanner.Scan() {
+		line := strings.TrimSpace(scanner.Text())
+
+		parts := strings.Split(line, " ")
+		log.Log(GITPB, "  gomod:", parts)
+		if len(parts) >= 1 {
+			log.Log(GITPB, "  gomod: part[0] =", parts[0])
+			if parts[0] == "require" {
+				log.Log(GITPB, "  should return false here")
+				return false, errors.New("go.mod file is not primative")
+			}
+
+		}
+	}
+	repo.GoPrimitive = true
+	repo.GoDeps = nil
+	return true, nil
+}